
public class TestDemo {

    public static void main(String[] args) {
        Base base = new Base();
        base = null;
        base.test();
        System.out.println((int)Math.pow(10,9));
        System.out.println(Integer.MAX_VALUE);

    }
}
class Base{

    public static void test(){
        System.out.println("+=====");
    }
    public void Base(){

    }

}

